xu. 



KNOWLEDGE, 



No. 10.— The Region of the Roval 

 family '... 249 



No. 11. — The Region of the Ram 

 andtheBuU 274 



Stone, Instrument for Measuring the 



Movement of a 242 



Sunspot Group, Life-History of a 



(fidl-page Plato) 104 



Waves, Diagrams of 



146, 147, 148 



